Patterns and correlates of objectively measured physical activity in 3-year-old children

BMC Pediatrics

Table 3 Physical activity by child weight status, sex, family group, parental weight status and family education

Variables	All days	Weekdays	Weekends
	Mean VMCPM ± SD	Mean VMCPM ± SD	Mean VMCPM ± SD
Total samplen = 61	3538 ± 570	3598 ± 615	3374 ± 710
Child weight status (a)
Normal weight n = 50	3513 ± 589	3579 ± 645	3330 ± 699
Overweight n = 10	3662 ± 507	3706 ± 494	3553 ± 800
P	0.5	0.6	0.4
Child sex
Boys n = 30	3518 ± 637	3564 ± 659	3402 ± 793
Girls n = 31	3557 ± 507	3630 ± 589	3347 ± 632
P	0.8	0.7	0.8
Family group (b)
Low n = 20	3417 ± 427	3442 ± 463	3366 ± 491
High n = 41	3595 ± 625	3673 ± 669	3378 ± 801
P	0.3	0.2	0.9
Maternal weight status (c)
Normal weight n = 18	3375 ± 474	3394 ± 485	3337 ± 633
Overweight n = 17	3451 ± 598	3523 ± 660	3247 ± 731
Obesity n = 23	3699 ± 574	3754 ± 639	3536 ± 786
P	0.2	0.2	0.4
Paternal weight status
Normal weight n = 25	3479 ± 503	3579 ± 587	3220 ± 582
Overweight n = 17	3688 ± 743	3707 ± 737	3659 ± 860
Obesity n = 14	3478 ± 476	3464 ± 496	3507 ± 598
P	0.5	0.6	0.1
Family education (d)
Low n = 11	3864 ± 599	4003 ± 615	3470 ± 910
High n = 49	3457 ± 546	3498 ± 586	3347 ± 674
P	0.03*	0.01*	0.7
Family education-
Adjusted p-value (e)	0.05	0.02*

Abbreviations: SD Standard deviation, VMCPM vector magnitude counts per minute
(a) Body mass index (BMI) categories for children according to Cole et al.
(b) Family group based on parental BMI; High: 2 parents with BMI ≥25 or 1 parent with BMI ≥30 and low: both parents with BMI ≤ 25
(c) Weight status according to BMI categories as following; normal weight 18.5–24.9, overweight 25.0–29.9 and obesity > 30
(d) Family education definition: Low: neither parents have an academic education High: at least 1 parent have academic education
(e) adjusted for; Age, sex, family group, preschool care, parental country of origin, number of siblings and current season
*= p < 0.05

ISSN: 1471-2431